code: def setUp(self):
      self.base_learner_origin = models.BaseLearnerOrigin(
          source="".join(
              [
                  "from sklearn.ensemble import RandomForestClassifier\n",
                  "base_learner = RandomForestClassifier(random_state=8)",
              ]
          )
      )
  
file_path: xcessiv/xcessiv/tests/test_models.py
imports: from __future__ import absolute_import, print_function, division, unicode_literals
  import unittest
  from xcessiv import models
  from sklearn.ensemble import RandomForestClassifier
label_desc: Use image node_id 1 for calling the TestReturnEstimator obj's underlying member method code with example usage: obj.setUp() without return types